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BOSTON MARATHON 2023

Julianne Walsh

Bib: 19251•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 34%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:17
Rank: #14990
Start → 5K
25:17 | 8:08/mi
10K· 6.21 mi
50:04
Rank: #14803 (+187)
5K → 10K
24:47 | 7:59/mi
15K· 9.32 mi
1:14:49
Rank: #14540 (+263)
10K → 15K
24:45 | 7:58/mi
20K· 12.43 mi
1:39:42
Rank: #14277 (+263)
15K → 20K
24:53 | 8:01/mi
Half· 13.11 mi
1:45:08
Rank: #14264 (+13)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:04:53
Rank: #14193 (+71)
Half → 25K
19:45 | 8:09/mi
30K· 18.64 mi
2:31:01
Rank: #14119 (+74)
25K → 30K
26:08 | 8:25/mi
20M
2:42:23
Rank: #13992 (+127)
30K → 20M
11:22 | 8:22/mi
21M
2:52:12
Rank: #14215 (-223)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
2:57:54
Rank: #14017 (+198)
21M → 35K
5:42 | 7:37/mi
23M
3:08:00
Rank: #13767 (+250)
35K → 23M
10:06 | 8:04/mi
24M
3:16:15
Rank: #13718 (+49)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:23:07
Rank: #13556 (+162)
24M → 40K
6:52 | 8:02/mi
25.2M
3:26:18
Rank: #13551 (+5)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:34:09
Rank: #13386 (+165)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:08
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:49:01
Pace8:19 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0825:178:0825:17
8:08
-
10K
6.21 mi11:41:5550:048:0324:47
7:59
-0:09
15K
9.32 mi12:06:401:14:498:0224:45
7:58
-0:01
20K
12.43 mi12:31:331:39:428:0124:53
8:01
+0:03
Half
13.11 mi12:36:591:45:088:015:26
7:58
-0:03
25K
15.53 mi12:56:442:04:538:0219:45
8:09
+0:11
30K
18.64 mi13:22:522:31:018:0626:08
8:25
+0:16
20M
20.00 mi13:34:142:42:238:0711:22
8:22
-0:03
21M
21.00 mi13:44:032:52:128:129:49
9:49
+1:27
35K
21.75 mi13:49:452:57:548:115:42
7:37
-2:12
23M
23.00 mi13:59:513:08:008:1010:06
8:04
+0:27
24M
24.00 mi14:08:063:16:158:118:15
8:15
+0:11
40K
24.85 mi14:14:583:23:078:106:52
8:02
-0:13
25.2M
25.20 mi14:18:093:26:188:113:11
9:14
+1:12
Finish
26.22 mi14:26:003:34:098:107:51
7:42
-1:32

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:37 /mi

Average Pace

8:10 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:33

6% of race

Time at Steady Pace

2:30:06

70% of race

Time at Slower Pace

50:30

24% of race

Average Pace: 8:10 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:17:0825:178:0825:17
8:08
#14990
10K
6.21 mi11:41:5550:048:0324:47
7:59
#14803
15K
9.32 mi12:06:401:14:498:0224:45
7:58
#14540
20K
12.43 mi12:31:331:39:428:0124:53
8:01
#14277
Half
13.11 mi12:36:591:45:088:015:26
7:58
#14264
25K
15.53 mi12:56:442:04:538:0219:45
8:09
#14193
30K
18.64 mi13:22:522:31:018:0626:08
8:25
#14119
20M
20.00 mi13:34:142:42:238:0711:22
8:22
#13992
21M
21.00 mi13:44:032:52:128:129:49
9:49
#14215
35K
21.75 mi13:49:452:57:548:115:42
7:37
#14017
23M
23.00 mi13:59:513:08:008:1010:06
8:04
#13767
24M
24.00 mi14:08:063:16:158:118:15
8:15
#13718
40K
24.85 mi14:14:583:23:078:106:52
8:02
#13556
25.2M
25.20 mi14:18:093:26:188:113:11
9:14
#13551
Finish
26.22 mi14:26:003:34:098:107:51
7:42
#13386
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149904632463214119(Top 53%)4155(Top 36%)4155(Top 85%)
10K6.21 mi3.10 mi14803+1874524+1084524+10814654(Top 55%)4452(Top 39%)4452(Top 91%)
15K9.32 mi3.11 mi14540+2634374+1504374+15014119(Top 53%)4155(Top 36%)4155(Top 85%)
20K12.43 mi3.11 mi14277+2634243+1314243+13113519(Top 51%)3827(Top 34%)3827(Top 78%)
Half13.11 mi0.68 mi14264+134238+54238+514109(Top 53%)4140(Top 36%)4140(Top 85%)
25K15.53 mi2.42 mi14193+714227+114227+1113851(Top 52%)4127(Top 36%)4127(Top 85%)
30K18.64 mi3.11 mi14119+744214+134214+1313766(Top 52%)4192(Top 37%)4192(Top 86%)
20M20.00 mi1.36 mi13992+1274163+514163+5112809(Top 48%)3750(Top 33%)3750(Top 77%)
21M21.00 mi1.00 mi14215-2234321-1584321-15817317(Top 65%)6374(Top 56%)6374(Top 131%)
35K21.75 mi0.75 mi14017+1984211+1104211+1109474(Top 36%)2151(Top 19%)2151(Top 44%)
23M23.00 mi1.25 mi13767+2504082+1294082+12910275(Top 39%)2646(Top 23%)2646(Top 54%)
24M24.00 mi1.00 mi13718+494077+54077+512958(Top 49%)4110(Top 36%)4110(Top 84%)
40K24.85 mi0.85 mi13556+1623993+843993+8410300(Top 39%)2811(Top 25%)2811(Top 58%)
25.2M25.20 mi0.35 mi13551+53997-43997-413840(Top 52%)4651(Top 41%)4651(Top 95%)
Finish26.22 mi1.02 mi13386+1653925+723925+7210037(Top 38%)2724(Top 24%)2724(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14119

Females

4155

F18-39

4155

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14654

Females

4452

F18-39

4452

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14119

Females

4155

F18-39

4155

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13519

Females

3827

F18-39

3827

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14109

Females

4140

F18-39

4140

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13851

Females

4127

F18-39

4127

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13766

Females

4192

F18-39

4192

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12809

Females

3750

F18-39

3750

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17317

Females

6374

F18-39

6374

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9474

Females

2151

F18-39

2151

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10275

Females

2646

F18-39

2646

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12958

Females

4110

F18-39

4110

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10300

Females

2811

F18-39

2811

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13840

Females

4651

F18-39

4651

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10037

Females

2724

F18-39

2724

Passing Analysis

Category:
Athletes Passed
2604
Passed By
1000
Net Change
+1604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14990
5K → 10K391204+187#14990#14803
10K → 15K34885+263#14803#14540
15K → 20K31956+263#14540#14277
20K → Half3522+13#14277#14264
Half → 25K172101+71#14264#14193
25K → 30K223149+74#14193#14119
30K → 20M16437+127#14119#13992
20M → 21M28251-223#13992#14215
21M → 35K2002+198#14215#14017
35K → 23M2533+250#14017#13767
23M → 24M9041+49#13767#13718
24M → 40K1686+162#13718#13556
40K → 25.2M3227+5#13556#13551
25.2M → Finish18116+165#13551#13386
TOTALS26041000+1604
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing